From 19308c9e21d98a7818625218b22b37f23f87816f Mon Sep 17 00:00:00 2001
From: Jim Posen <jim.posen@gmail.com>
Date: Fri, 31 Aug 2018 13:28:12 -0700
Subject: rpc: Add getblockfilter RPC method.

Retrieves and returns block filter and header from index.
---
 test/functional/rpc_getblockfilter.py | 59 +++++++++++++++++++++++++++++++++++
 test/functional/test_runner.py        |  1 +
 2 files changed, 60 insertions(+)
 create mode 100755 test/functional/rpc_getblockfilter.py

(limited to 'test/functional')

diff --git a/test/functional/rpc_getblockfilter.py b/test/functional/rpc_getblockfilter.py
new file mode 100755
index 0000000000..bd93b6f7a4
--- /dev/null
+++ b/test/functional/rpc_getblockfilter.py
@@ -0,0 +1,59 @@
+#!/usr/bin/env python3
+# Copyright (c) 2018 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+"""Test the getblockfilter RPC."""
+
+from test_framework.test_framework import BitcoinTestFramework
+from test_framework.util import (
+    assert_equal, assert_is_hex_string, assert_raises_rpc_error,
+    connect_nodes, disconnect_nodes, sync_blocks
+    )
+
+FILTER_TYPES = ["basic"]
+
+class GetBlockFilterTest(BitcoinTestFramework):
+    def set_test_params(self):
+        self.setup_clean_chain = True
+        self.num_nodes = 2
+        self.extra_args = [["-blockfilterindex"], []]
+
+    def run_test(self):
+        # Create two chains by disconnecting nodes 0 & 1, mining, then reconnecting
+        disconnect_nodes(self.nodes[0], 1)
+
+        self.nodes[0].generate(3)
+        self.nodes[1].generate(4)
+
+        assert_equal(self.nodes[0].getblockcount(), 3)
+        chain0_hashes = [self.nodes[0].getblockhash(block_height) for block_height in range(4)]
+
+        # Reorg node 0 to a new chain
+        connect_nodes(self.nodes[0], 1)
+        sync_blocks(self.nodes)
+
+        assert_equal(self.nodes[0].getblockcount(), 4)
+        chain1_hashes = [self.nodes[0].getblockhash(block_height) for block_height in range(4)]
+
+        # Test getblockfilter returns a filter for all blocks and filter types on active chain
+        for block_hash in chain1_hashes:
+            for filter_type in FILTER_TYPES:
+                result = self.nodes[0].getblockfilter(block_hash, filter_type)
+                assert_is_hex_string(result['filter'])
+
+        # Test getblockfilter returns a filter for all blocks and filter types on stale chain
+        for block_hash in chain0_hashes:
+            for filter_type in FILTER_TYPES:
+                result = self.nodes[0].getblockfilter(block_hash, filter_type)
+                assert_is_hex_string(result['filter'])
+
+        # Test getblockfilter with unknown block
+        bad_block_hash = "0123456789abcdef" * 4
+        assert_raises_rpc_error(-5, "Block not found", self.nodes[0].getblockfilter, bad_block_hash, "basic")
+
+        # Test getblockfilter with undefined filter type
+        genesis_hash = self.nodes[0].getblockhash(0)
+        assert_raises_rpc_error(-5, "Unknown filtertype", self.nodes[0].getblockfilter, genesis_hash, "unknown")
+
+if __name__ == '__main__':
+    GetBlockFilterTest().main()
diff --git a/test/functional/test_runner.py b/test/functional/test_runner.py
index 61c5c9aefb..86f334e942 100755
--- a/test/functional/test_runner.py
+++ b/test/functional/test_runner.py
@@ -144,6 +144,7 @@ BASE_SCRIPTS = [
     'wallet_txn_doublespend.py',
     'wallet_txn_clone.py --mineblock',
     'feature_notifications.py',
+    'rpc_getblockfilter.py',
     'rpc_invalidateblock.py',
     'feature_rbf.py',
     'mempool_packages.py',
-- 
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